Home / 20,179,238.48-27,848,185.32-11,478,943.76

Finding the Fourth Proportional to 20,179,238.48, 27,848,185.32 and 11,478,943.76

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Solution

The fourth proportional to 20,179,238.48, 27,848,185.32 and 11,478,943.76 is: 15,841,418.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,179,238.48 : 27,848,185.32 = 11,478,943.76 : x
  2. Step 2: Convert to fraction form
    20,179,238.48/27,848,185.32 = 11,478,943.76/x
  3. Step 3: Cross multiply
    20,179,238.48x = 27,848,185.32 × 11,478,943.76
  4. Step 4: Simplify right side
    20,179,238.48x = 319,667,753,106,337.62
  5. Step 5: Solve for x
    x = 319,667,753,106,337.62/20,179,238.48
  6. Step 6: Final answer
    x = 15,841,418.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.